ar·gil·lite (är j -l t )n. A metamorphic rock, intermediate between shale and slate, that does not possess true slaty cleavage. [Latin argilla, argil; see argil + -ite.] |
argillite [ˈɑːdʒɪˌlaɪt]
n
(Earth Sciences / Geological Science) any argillaceous rock, esp a hardened mudstone
[from Latin argilla clay (from Greek argillos) + -ite1]
argillitic [ˌɑːdʒɪˈlɪtɪk] adj
| argillite (ärj-lt) A highly compacted sedimentary or slightly metamorphic rock consisting primarily of particles of clay or silt. Argillite differs from mudstone in that it does not have the same fine laminations, and from shale and slate in that it is not fissile. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | argillite - a sedimentary rock differing from shale in being bound by silica and from slate in having no slate cleavages sedimentary rock - rock formed from consolidated clay sediments |
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